| RAUFUSION 1648928 · TMA965605 | REHAU INDUSTRIES SE & CO. KG | 6 Metal9 Electronics11 Lighting+3 | Registered | 2017 |
| Rvision 1038087 · TMA559969 | REITMANS (CANADA) LIMITED | 3 Cosmetics5 Pharmaceuticals8 Hand+6 | Registered | 2002 |
| REVISION 1868765 · TMA1062795 | Owner not shown | 9 Electronics42 Science | Registered | 2019 |
| REVISION 1716786 · TMA932859 | Reyewear Acquisition, Inc. | 3 Cosmetics9 Electronics21 Housewares | Registered | 2016 |
| REVISION 1192474 · TMA632602 | Reyewear Acquisition, Inc. | 35 Advertising42 Science | Registered | 2005 |
| RUBICON 2217585 · TMA1245507 | Enerco Group, Inc. | 11 Lighting | Registered | 2024 |
| Rofusn 2181671 · TMA1229571 | ROFUSN LIMITED | 14 Jewellery | Registered | 2024 |
| RUBICON 1885663 · TMA1119341 | an individual | 7 Machines8 Hand12 Vehicles | Registered | 2022 |
| RUBICON 1756302 · TMA983418 · design | Lanara Limited | 30 Coffee32 Beer | Registered | 2017 |
| RUBICON 1740782 · TMA1003125 | Rubicon Technologies, LLC | 9 Electronics40 Treatment | Registered | 2018 |
| RUBICON 1722074 · TMA957355 | KOHLER CO. | 11 Lighting | Registered | 2016 |
| RUBICON 1629206 · TMA915568 · design | Rubicon Technologies, LLC | 35 Advertising | Registered | 2015 |
| RUBICON 1629205 · TMA915567 | Rubicon Technologies, LLC | 35 Advertising | Registered | 2015 |
| ROBSON 1486496 · TMA840508 | JAM INDUSTRIES LTD./LTÉE | 8 Hand9 Electronics15 Musical+1 | Registered | 2013 |
| RUBICON 1166100 · TMA655433 | Cheng Shin Rubber Ind. Co. Ltd. | 12 Vehicles | Registered | 2005 |
| RUBICON 1041006 · TMA576651 | FCA US LLC | 12 Vehicles16 Paper | Registered | 2003 |
| RUBICON 1040315 · TMA552715 | HONDA CANADA INC. | 7 Machines12 Vehicles | Registered | 2001 |
| RUBICON 0556415 · TMA322401 | Meerlust Administrators (Proprietary) Limited | 33 Wine | Registered | 1987 |
| RUBICON 0544520 · TMA319443 | Lanara Limited | 30 Coffee32 Beer | Registered | 1986 |
| RUBSON 0304201 · TMA155246 | an individual | 1 Chemicals2 Paints3 Cosmetics+8 | Registered | 1968 |
| RUBICON 2195861 | Savvas Learning Company LLC | 9 Electronics16 Paper41 Education+1 | Pending | 2022 |
| REVISION3 2126232 | Owner not shown | 9 Electronics | Pending | 2021 |
| Rabjen 2176739 · TMA1228097 | an individual | 18 Leather | Registered | 2024 |
| RPGMAKER 2165283 · TMA1272498 | Gotcha Gotcha Games Inc. | 9 Electronics42 Science | Registered | 2024 |
| REPIGMENT12 2113062 · TMA1268242 | an individual | 3 Cosmetics5 Pharmaceuticals | Registered | 2024 |